/**
 * Copyright (C) 2012 FuseSource Corp. All rights reserved.
 * http://fusesource.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.fusesource.mq.leveldb.util

/**
 * <p>
 * </p>
 *
 * @author <a href="http://hiramchirino.com">Hiram Chirino</a>
 */
class LongCounter(private var value:Long = 0) extends Serializable {

  def clear() = value=0
  def get() = value
  def set(value:Long) = this.value = value 

  def incrementAndGet() = addAndGet(1)
  def decrementAndGet() = addAndGet(-1)
  def addAndGet(amount:Long) = {
    value+=amount
    value
  }

  def getAndIncrement() = getAndAdd(1)
  def getAndDecrement() = getAndAdd(-11)
  def getAndAdd(amount:Long) = {
    val rc = value
    value+=amount
    rc
  }

  override def toString() = get().toString
}